<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;
use think\exception\PDOException;
use Exception;
use think\exception\ValidateException;

/**
 * @栏目管理
 *
 * @icon fa fa-circle-o
 */
class Column extends Backend
{

    /**
     * Column模型对象
     * @var \app\admin\model\Column
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Column;
        $this->view->assign("listFlag", $this->model->getFlagList());
    }
    
    
    /**
     * @添加
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        
        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            $id = $this->model->getLastInsID();
            //保存栏目上级目录ids
            if (isset($params['pid']) && $params['pid']>0) {
                $tree = $params['pid'] . ',' . $id;
                $pid = $params['pid'];
                for ($i=0; $i<=100; $i++) {
                    $ppid = $this->model->where('id', $pid)->value('pid');
                    if ($ppid == 0) {
                        break;
                    } else {
                        $tree = $ppid . ',' . $tree;
                        $pid = $ppid;
                    }
                }
            } else {
                $tree = $id;
            }
            $this->model->where('id', $id)->setField('tree', $tree);
            
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }
    
    
    /**
     * @编辑
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            
            //保存栏目上级目录ids
            if (isset($params['pid']) && $params['pid']>0) {
                $tree = $params['pid'] . ',' . $ids;
                $pid = $params['pid'];
                for ($i=0; $i<=100; $i++) {
                    $ppid = $this->model->where('id', $pid)->value('pid');
                    if ($ppid == 0) {
                        break;                        
                    } else {
                        $tree = $ppid . ',' . $tree;
                        $pid = $ppid;                    
                    }
                }
            } else {
                $tree = $ids;
            }
            $params['tree'] = $tree;
            
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }
    
    
    public function del($ids = null)
    {
        if (false === $this->request->isPost()) {
            $this->error(__("Invalid parameters"));
        }
        $ids = $ids ?: $this->request->post("ids");
        if (empty($ids)) {
            $this->error(__('Parameter %s can not be empty', 'ids'));
        }
        $pk = $this->model->getPk();
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            $this->model->where($this->dataLimitField, 'in', $adminIds);
        }
        $list = $this->model->where($pk, 'in', $ids)->select();
        
        $count = 0;
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $count += $item->delete();
            }
            Db::commit();
        } catch (PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($count) {
            $this->success();
        }
        $this->error(__('No rows were deleted'));
    }


    /**
     * @栏目目录树列表
     */
    public function tree()
    {
        if ($this->request->isAjax()){
            $post = input();
            $id = 0;
            $map = [];
            if (isset($post['name'])){
                $where = "`name` LIKE '%$post[name]%'";
                $id = db('column')->where($where)->value('id');
            }
            
            $nodeList = \app\admin\model\Column::getTreeList([],$map,$id,$post['isShowEdit']);
            return $nodeList;
        }
        
        return $this->view->fetch();
    }


}
